योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-59, verse-21

ज्वलज्जटाभारधरोपान्तविस्फारपावकः ।
ज्वालाविशालावयवः पूरिताकाशमण्डलः ॥ २१ ॥

jvalajjaṭābhāradharopāntavisphārapāvakaḥ ,
jvālāviśālāvayavaḥ pūritākāśamaṇḍalaḥ 21

21. jvalajjaṭābhāradharopāntavisphārapāvakaḥ
jvālāviśālāvayavaḥ pūritākāśamaṇḍalaḥ

21. jvalajjaṭābhāradharopāntavisphārapāvakaḥ
jvālāviśālāvayavaḥ pūritākāśamaṇḍalaḥ

21. He bore a mass of blazing matted hair, and from his vicinity, fire spread intensely. His vast form was made of flames, filling the entire sphere of the sky.

Words meanings summery:

• ज्वलज्जटाभारधरोपान्तविस्फारपावकः (jvalajjaṭābhāradharopāntavisphārapāvakaḥ) - One from whose proximity a spreading fire emanates, bearing a mass of blazing matted hair.

• ज्वालाविशालावयवः (jvālāviśālāvayavaḥ) - One whose vast form consists of flames.

• पूरिताकाशमण्डलः (pūritākāśamaṇḍalaḥ) - One who fills the sphere of the sky.

Words meanings and morphology

ज्वलज्जटाभारधरोपान्तविस्फारपावकः (jvalajjaṭābhāradharopāntavisphārapāvakaḥ) - One from whose proximity a spreading fire emanates, bearing a mass of blazing matted hair.

(adjective)

Nominative, masculine, singular of jvalajjaṭābhāradharopāntavisphārapāvaka

jvalajjaṭābhāradharopāntavisphārapāvaka - One who bears a mass of blazing matted hair, and from whose vicinity a spreading fire emanates.

Compound type : Bahuvrihi (jvalat+jaṭābhāra+dhara+upānta+visphāra+pāvaka)

• jvalat – blazing, burning
  participle (masculine)
  Present Active Participle
  From root jval- (to burn) with -at suffix.
  Root: jval (class 1)
• jaṭābhāra – mass of matted hair
  noun (masculine)
• dhara – bearing, holding
  adjective (masculine)
  From root dhṛ- (to bear).
  Root: dhṛ (class 1)
• upānta – near, proximity, vicinity
  indeclinable
  Prefix: upa
• visphāra – spreading, expanding, intense
  noun (masculine)
  From vi- + sphṛ- (to burst forth).
  Prefix: vi
  Root: sphṛ (class 5)
• pāvaka – fire; purifier
  noun (masculine)
  Root: pū (class 1)

ज्वालाविशालावयवः (jvālāviśālāvayavaḥ) - One whose vast form consists of flames.

(adjective)

Nominative, masculine, singular of jvālāviśālāvayava

jvālāviśālāvayava - One whose body/limbs are vast like flames or consist of flames.

Compound type : Bahuvrihi (jvālā+viśāla+avayava)

• jvālā – flame, blaze
  noun (feminine)
• viśāla – vast, extensive, immense
  adjective (masculine)
• avayava – limb, part, constituent, body
  noun (masculine)

पूरिताकाशमण्डलः (pūritākāśamaṇḍalaḥ) - One who fills the sphere of the sky.

(adjective)

Nominative, masculine, singular of pūritākāśamaṇḍala

pūritākāśamaṇḍala - One who fills the entire region/sphere of space.

Compound type : Bahuvrihi (pūrita+ākāśamaṇḍala)

• pūrita – filled, completed
  participle (masculine)
  Past Passive Participle
  From root pūṛ- (to fill) with -ta suffix.
  Root: pūṛ (class 10)
• ākāśamaṇḍala – sphere of the sky, region of space
  noun (neuter)